From: Conor Dooley <conor@kernel.org> To: soc@kernel.org Cc: conor@kernel.org, Conor Dooley <conor.dooley@microchip.com>, Arnd Bergmann <arnd@arndb.de>, Daire McNamara <daire.mcnamara@microchip.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Moritz Fischer <mdf@kernel.org>, Wu Hao <hao.wu@intel.com>, Xu Yilun <yilun.xu@intel.com>, Tom Rix <trix@redhat.com>, Russ Weight <russell.h.weight@intel.com>, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org, Rob Herring <robh@kernel.org> Subject: [PATCH v3 1/6] dt-bindings: soc: microchip: add a property for system controller flash Date: Fri, 20 Oct 2023 14:18:39 +0100 [thread overview] Message-ID: <20231020-womanless-doorstop-758bb24e3c8d@spud> (raw) In-Reply-To: <20231020-agreeably-filing-3d48708e6262@spud> From: Conor Dooley <conor.dooley@microchip.com> The system controller "shares" a SPI flash device with a QSPI controller in the MSS. This flash is used to store FPGA bitstreams & other metadata. IAP and Auto Upgrade both write images to this flash that the System Controller will use to re-program the FPGA. Add a phandle property signifying which flash device is connected to the system controller. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Conor Dooley <conor.dooley@microchip.com> --- .../soc/microchip/microchip,mpfs-sys-controller.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml index 365a9fed5914..a3fa04f3a1bd 100644 --- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml @@ -26,6 +26,16 @@ properties: compatible: const: microchip,mpfs-sys-controller + microchip,bitstream-flash: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The SPI flash connected to the system controller's QSPI controller. + The system controller may retrieve FPGA bitstreams from this flash to + perform In-Application Programming (IAP) or during device initialisation + for Auto Update. The MSS and system controller have separate QSPI + controllers and this flash is connected to both. Software running in the + MSS can write bitstreams to the flash. + required: - compatible - mboxes -- 2.39.2
WARNING: multiple messages have this Message-ID (diff)
From: Conor Dooley <conor@kernel.org> To: soc@kernel.org Cc: conor@kernel.org, Conor Dooley <conor.dooley@microchip.com>, Arnd Bergmann <arnd@arndb.de>, Daire McNamara <daire.mcnamara@microchip.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Moritz Fischer <mdf@kernel.org>, Wu Hao <hao.wu@intel.com>, Xu Yilun <yilun.xu@intel.com>, Tom Rix <trix@redhat.com>, Russ Weight <russell.h.weight@intel.com>, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org, Rob Herring <robh@kernel.org> Subject: [PATCH v3 1/6] dt-bindings: soc: microchip: add a property for system controller flash Date: Fri, 20 Oct 2023 14:18:39 +0100 [thread overview] Message-ID: <20231020-womanless-doorstop-758bb24e3c8d@spud> (raw) In-Reply-To: <20231020-agreeably-filing-3d48708e6262@spud> From: Conor Dooley <conor.dooley@microchip.com> The system controller "shares" a SPI flash device with a QSPI controller in the MSS. This flash is used to store FPGA bitstreams & other metadata. IAP and Auto Upgrade both write images to this flash that the System Controller will use to re-program the FPGA. Add a phandle property signifying which flash device is connected to the system controller. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Conor Dooley <conor.dooley@microchip.com> --- .../soc/microchip/microchip,mpfs-sys-controller.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml index 365a9fed5914..a3fa04f3a1bd 100644 --- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml @@ -26,6 +26,16 @@ properties: compatible: const: microchip,mpfs-sys-controller + microchip,bitstream-flash: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The SPI flash connected to the system controller's QSPI controller. + The system controller may retrieve FPGA bitstreams from this flash to + perform In-Application Programming (IAP) or during device initialisation + for Auto Update. The MSS and system controller have separate QSPI + controllers and this flash is connected to both. Software running in the + MSS can write bitstreams to the flash. + required: - compatible - mboxes -- 2.39.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2023-10-20 13:19 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-20 13:18 [PATCH v3 0/6] PolarFire SoC Auto Update Support Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-20 13:18 ` Conor Dooley [this message] 2023-10-20 13:18 ` [PATCH v3 1/6] dt-bindings: soc: microchip: add a property for system controller flash Conor Dooley 2023-10-20 13:18 ` [PATCH v3 2/6] soc: microchip: mpfs: enable access to the system controller's flash Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-20 13:18 ` [PATCH v3 3/6] soc: microchip: mpfs: print service status in warning message Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-20 13:18 ` [PATCH v3 4/6] soc: microchip: mpfs: add auto-update subdev to system controller Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-20 13:18 ` [PATCH v3 5/6] firmware: microchip: add PolarFire SoC Auto Update support Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-20 13:18 ` [PATCH v3 6/6] riscv: dts: microchip: add the mpfs' system controller qspi & associated flash Conor Dooley 2023-10-20 13:18 ` Conor Dooley 2023-10-25 12:22 ` Conor Dooley 2023-10-25 12:22 ` Conor Dooley 2023-12-06 12:25 ` [PATCH v3 0/6] PolarFire SoC Auto Update Support Conor Dooley 2023-12-06 12:25 ` Conor Dooley 2023-12-21 17:41 ` patchwork-bot+linux-soc
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